When driving, a car can be a great place to enjoy music, but many people still put up with marginal sound quality that they’d never tolerate at home. Today, we will give you some suggestions on how to improve the sound in your vehicle. Follow these tips, you might don’t have to live with the bad sound any more.
Tips 1 : Add an amplifier.
Maybe you’ll say “My factory stereo puts out 200 watts, and that’s plenty of power.” But there’s huge difference between 50 watts peak power per channel produced by your Android car stereo and 50 watts RMS from an outboard amplifier. A separate amplifier will provide more clean power than any car stereo, and that’ll make a night-and-day difference in sound quality. Your system will sound better, whether you listen to Mahler at a conversational level or Megadeth turned up to 11. An amplifier is essential to getting great sound in your car.
Tips 2 : Build a better sub box. Or buy one.
If you’re building a sealed subwoofer box, make sure it’s sealed properly. Air leaks can really hurt your sub’s performance. If you’re using a ported box, make sure you’ve got the right sub in there. You can destroy a sub that’s designed for sealed box use by driving it hard in a ported enclosure. Also, it’s important to build a box with the correct interior volume for the sub you’ve picked out. A mismatch can result in poor performance or a sub fatality. You can also avoid all of these issues by buying a premade enclosure that’ll work with your subwoofer.
Tips 3 : Select a lower level of compression for your music files.
Though you can store more music files in your music player if you use greater compression, and they’ll sound OK when you’re listening through earbuds. You’ll lose some high-and-low frequency information when you compress your music, along with some of the details that make your music interesting. And, on a good car audio system, you can really tell that something’s missing.
Don’t settle for the default setting when creating your files. If you want to use your iPod, smartphone, or MP3 player in your car, try using as little compression as possible. The higher the bit rate, the better your music will sound through your car’s system.
Source: Crutchfield.com
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How Bluetooth Car Stereos Workby Jessika Toothman Bluetooth car stereos are commonly integrated with Bluetooth-enabled cell phones, and when the two devices are within range of each other, they can communicate in a number of interesting ways. Depending on the particular models in use, it may be possible to make and receive calls without even pulling out your phone or pushing a single button. You can even hear the calls through the vehicle's speakers. Other models may require a few button-pushes, but usually with more ease than plodding through cell phone menus. You may also be able to view other information such as the phonebook, incoming calls and call status on the stereo panel. When the phone rings, the speakers will automatically turn down the volume on any music or movies that are playing while you chat on the phone and resume when the call is over. Some Bluetooth car stereos can store your phone's entire address book and other contact information; others have built-in phones which copy all the information off your phone's SIM card and take over the functions for calling. Your cell phone is disconnected from the piconet, not only saving its battery power but also providing a stronger connection. These innovations come almost as much out of necessity as convenience -- at least for people who can't stand being in the car without making a quick phone call. Many places now enforce laws limiting the use of cell phones while driving, and Bluetooth car stereos are one way to bridge the middle ground. Besides augmenting your ability to connect with the outside world through phone calls, Bluetooth car stereos can also enhance the environment inside a vehicle. Transmitters can be used to stream music from iPods, MP3 players and satellite radio straight into the stereo without creating a mess of tangled cords. Some car stereos can display video on full-color LCD displays, although this usually isn't an option when the car is moving. If you have some passengers in the back who could use a movie to settle down, lots of Bluetooth-enabled Android car stereos also come with the hookups needed to turn your vehicle into a mobile entertainment center. Connections for other devices like GPS navigators and USB flash drives are among other common fixtures. And with each passing year, the technology grows and evolves. Comparing Bluetooth-enabled car stereos to cassette-enabled car stereos already seems like a throwback to the Middle Ages, so who knows what the future has in store. source:http://electronics.howstuffworks.com/gadgets/automotive/bluetooth-car-stereo.htm
FAQ for Android Car Stereo Amplifier1.How can I populate my address book’s contacts into the Android car stereo universal? A: For downloading the address book’s contacts from your phone to the radio: firstly, you need to pair your phone with the Android head unit, then please click the contacts icon and search your contacts like the following picture: Please make sure that you use the built-in contacts in your phone, otherwise it can not be searched. Also, if your smartphone runs Android 5.0 OS or above, please allow all the submissions in your phone when the stereo searches the contacts. 2.After installing the car DVD player, I can’t hear any sound through the speakers or the Bluetooth. The music is attenuated but no phone or GPS instructions can be heard. Is there a hidden menu to give more volume to GPS and Bluetooth? A: Normally, we don’t have hidden menu to give more volume. And for setting the GPS app sound ( we pre-installed the IGO free copy version ), please check the setting below: You can re-install the IGO app from our SD card to check whether it would help or not. Besides, please enter the settings=>GPS, make sure that you turn on the GPS monitoring. You can turn up the GPS mixing ratio so that the GPS sound would be louder. As for the Bluetooth issue, if you make the phone call via Bluetooth, please well close your car windows and doors, then turn the volume of both your phone and the head unit to the middle level. You can also enter the factory setting ( the password is 126 ), and check the BT setting. 3.In case of the extra mic, how can I increase the volume ? I don’t find any possibility to adjust the mic volume in the car audio player. A: Please use the extra mic and increase the car radio’s volume. 4.I’m not able to get torque to recognize that Bluetooth is on. Therefore, I can’t connect Bluetooth to the OBD. I can connect to it from my phone but not from the Pumpkin Car Head Unit. Is there something I can do to get this to work ? A: For pairing the OBDII, you need to know the protocol of your car and select the correct protocol in “Torque”. Followings are the whole instruction: ①Please enter “Bluetooth ”application, then set the pairing code of the radio to the same one as the OBDII scanner’Generally, it would be 0000 or 1234. ( please try both ) ②Then please open the built-in torque, choose the OBDII scanner MAC address in the application setting and choose your car protocol. 5.How do I change the default music app ? A: Since the car DVD player Bluetooth is based on Android 4.4, you can download other music player apps like Spotify in the built-in play store ( need Wifi or other Internet source ) and install it on the head unit.…
Basic Knowledge of Car DVD PlayerFeatures: As a replacement for CD player, car DVD playerhas been upgraded with more functions, such as GPS navigation and iPod/iPhone input etc. What’s more, it’s equipped with display screen and Win CE/ Android intelligent OS, which left a large space to expand and add more functions. Specification: The car audio playerwhich equipped with display screen is bigger than the traditional CD player. Currently, the double DIN car DVD player is quite common. Function:With the rapid development of electronic application technology in recent years, the car stereohas become a “integrated platform”. It not only supports Bluetooth, Wi-fi, but supports DVR and hands-free etc. Input:Generally speaking, CD/DVD, FM and DAB is the way to input audio and video. But nowadays, car audio player can read and play various audio, video and document files through USB/AUX/SD card and Bluetooth. Output:Choices for output include audio signal and RCA. To transfer the signal to DSP processor, few stereos would also support optical and coaxial output. Touch screen: More and more in-dash car DVD players are equipped with the HD touch screen. Therefore, the sensitivity and response speed of touch screen are important standards to measure the units’ Sound quality:Most Android car head unitis equipped with single DVD pick up head, which don’t perform as well as special CD pick up head. Thus, we’ll recommend users to buy DSP audio processor additionally.
